Programmed death in a unicellular organism has species-specific fitness effects | Zendy

Pierre Durand | Zendy; Rajdeep Choudhury | Zendy; Armin Rashidi | Zendy; Richard E. Michod | Zendy

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Programmed death in a unicellular organism has species-specific fitness effects

Author(s) -

Pierre Durand,

Rajdeep Choudhury,

Armin Rashidi,

Richard E. Michod

Publication year - 2014

Publication title -

biology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.596

H-Index - 110

eISSN - 1744-957X

pISSN - 1744-9561

DOI - 10.1098/rsbl.2013.1088

Subject(s) - biology , organism , model organism , evolutionary biology , ecology , zoology , genetics , gene

Programmed cell death (PCD) is an ancient phenomenon and its origin and maintenance in unicellular life is unclear. We report that programmed death provides differential fitness effects that are species specific in the model organism Chlamydomonas reinhardtii. Remarkably, PCD in this organism not only benefits others of the same species, but also has an inhibitory effect on the growth of other species. These data reveal that the fitness effects of PCD can depend upon genetic relatedness.

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